- }
-
- if(!read_rsa_public_key(c)) {
- return false;
- }
-
- /* Check some options */
-
- if((get_config_bool(lookup_config(c->config_tree, "IndirectData"), &choice) && choice) || myself->options & OPTION_INDIRECT)
- c->options |= OPTION_INDIRECT;
-
- if((get_config_bool(lookup_config(c->config_tree, "TCPOnly"), &choice) && choice) || myself->options & OPTION_TCPONLY)
- c->options |= OPTION_TCPONLY | OPTION_INDIRECT;
-
- c->allow_request = METAKEY;
-
- return send_metakey(c);
-}
-
-bool send_metakey(connection_t *c)
-{
- char buffer[MAX_STRING_SIZE];
- int len;
- bool x;
-
- cp();
-
- len = RSA_size(c->rsa_key);
-
- /* Allocate buffers for the meta key */
-
- if(!c->outkey)
- c->outkey = xmalloc(len);
-
- if(!c->outctx)
- c->outctx = xmalloc_and_zero(sizeof(*c->outctx));
- cp();
- /* Copy random data to the buffer */
-
- RAND_bytes(c->outkey, len);
-
- /* The message we send must be smaller than the modulus of the RSA key.
- By definition, for a key of k bits, the following formula holds:
-
- 2^(k-1) <= modulus < 2^(k)